低压轴流风机噪声频谱预估及实测Prediction and Actual Measurement of Noise Spectrum for Low Pressure Axial Fan
王东宝,李嵩,李孝宽,朱之墀
摘要(Abstract):
对低压轴流风机的噪声频谱预估的现有模型———叶片力模型进行重大改进 ,包括采用风机流场三维数值模拟给出叶片升力分布及在声源Fourier展开中保留虚部项。改进后两个样机噪声频谱预估和实测值吻合良好。
关键词(KeyWords): 轴流风机;噪声控制;频谱预估;叶片力模型
基金项目(Foundation):
作者(Author): 王东宝,李嵩,李孝宽,朱之墀
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参考文献(References):
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